... pipe-welding machine钢管焊接机 pitch of weld焊缝接距; 焊线距 plain butt weld无坡口对接焊; 平头对接焊缝 ...
基于156个网页-相关网页
... pipe-welding machine钢管焊接机 pitch of weld焊缝接距; 焊线距 plain butt weld无坡口对接焊; 平头对接焊缝 ...
基于120个网页-相关网页
... rn 匝距 pitch of weld 焊缝间距 pitch of winding 绕组节距,线圈节距 ...
基于82个网页-相关网页
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